... Mini USB ,SD ,Micro SD , 3.5mm DC Port 2.CE,FCC Certificate 3.Free AV Cable and MINI USB ... Besides, the USB port supports external PC keyboard input.2: SD card port: Plug the connection into the ... your iPad, and then insert your SD card. 3: Micro SD card port: Plug the connection into ... , and then insert your Micro SD card.4: 3.5mm DC port: Output video to TV. Plug ... MS Card Reader Adapter For iPad 2 3